An adversary can be tough.Logical formLearned from80 sentences. Handling can be tough.Logical formLearned from79 sentences. A drive can be tough.Logical formLearned from79 sentences. A movie can be tough.Logical formLearned from79 sentences. A sentencing can be tough.Logical formLearned from79 sentences. A person may talk tough.Logical formLearned from79 sentences. A class can be tough.Logical formLearned from78 sentences. A teacher can be tough.Logical formLearned from78 sentences. A training can be tough.Logical formLearned from78 sentences. A horse can be tough.Logical formLearned from78 sentences. A dilemma can be tough.Logical formLearned from78 sentences. A retaliation can be tough.Logical formLearned from78 sentences. (Case molds) can be tough.Logical formLearned from77 sentences. A female can be a tough cookie.Logical formLearned from77 sentences. A (price competition) can be tough.Logical formLearned from77 sentences.